[INFO] fetching crate xsynth-realtime 0.3.4...
[INFO] testing xsynth-realtime-0.3.4 against 1.91.0 for beta-1.92-2
[INFO] extracting crate xsynth-realtime 0.3.4 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate xsynth-realtime 0.3.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate xsynth-realtime 0.3.4
[INFO] tweaked toml for crates.io crate xsynth-realtime 0.3.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xsynth-realtime 0.3.4 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xsynth-realtime 0.3.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded riff v1.0.1
[INFO] [stderr]   Downloaded toml_datetime v0.6.1
[INFO] [stderr]   Downloaded toml_edit v0.19.8
[INFO] [stderr]   Downloaded termcolor v1.2.0
[INFO] [stderr]   Downloaded glob v0.3.1
[INFO] [stderr]   Downloaded lazycell v1.3.0
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.12
[INFO] [stderr]   Downloaded mach2 v0.4.1
[INFO] [stderr]   Downloaded fastrand v1.9.0
[INFO] [stderr]   Downloaded os_str_bytes v6.5.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.10
[INFO] [stderr]   Downloaded cc v1.0.79
[INFO] [stderr]   Downloaded textwrap v0.16.0
[INFO] [stderr]   Downloaded clang-sys v1.6.1
[INFO] [stderr]   Downloaded combine v4.6.6
[INFO] [stderr]   Downloaded winnow v0.4.1
[INFO] [stderr]   Downloaded tempfile v3.5.0
[INFO] [stderr]   Downloaded alsa v0.9.0
[INFO] [stderr]   Downloaded xsynth-core v0.3.4
[INFO] [stderr]   Downloaded pkg-config v0.3.26
[INFO] [stderr]   Downloaded errno v0.3.1
[INFO] [stderr]   Downloaded windows-targets v0.48.0
[INFO] [stderr]   Downloaded shlex v1.1.0
[INFO] [stderr]   Downloaded cbindgen v0.26.0
[INFO] [stderr]   Downloaded wav v1.0.1
[INFO] [stderr]   Downloaded clap v3.2.23
[INFO] [stderr]   Downloaded bindgen v0.64.0
[INFO] [stderr]   Downloaded jobserver v0.1.26
[INFO] [stderr]   Downloaded rustix v0.37.13
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b7687e51127f980b9752702ad56cea00301b1db9ae48a08af89d82ea66b0a80
[INFO] running `Command { std: "docker" "start" "-a" "3b7687e51127f980b9752702ad56cea00301b1db9ae48a08af89d82ea66b0a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b7687e51127f980b9752702ad56cea00301b1db9ae48a08af89d82ea66b0a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b7687e51127f980b9752702ad56cea00301b1db9ae48a08af89d82ea66b0a80", kill_on_drop: false }`
[INFO] [stdout] 3b7687e51127f980b9752702ad56cea00301b1db9ae48a08af89d82ea66b0a80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3817641cd43a56a7f7b59fc4019115f19fcca4b1d056e5e1eb03fb31267ceb1e
[INFO] running `Command { std: "docker" "start" "-a" "3817641cd43a56a7f7b59fc4019115f19fcca4b1d056e5e1eb03fb31267ceb1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling bytemuck v1.16.3
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling extended v0.1.0
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling symphonia-core v0.5.4
[INFO] [stderr]    Compiling rustfft v6.2.0
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling soundfont v0.1.0
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling riff v1.0.1
[INFO] [stderr]    Compiling spin_sleep v1.2.1
[INFO] [stderr]    Compiling to_vec v0.1.0
[INFO] [stderr]    Compiling simdeez v2.0.0-dev3
[INFO] [stderr]    Compiling biquad v0.4.2
[INFO] [stderr]    Compiling wav v1.0.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling alsa v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling symphonia-metadata v0.5.4
[INFO] [stderr]    Compiling symphonia-codec-adpcm v0.5.4
[INFO] [stderr]    Compiling symphonia-codec-pcm v0.5.4
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling transpose v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling primal-check v0.3.3
[INFO] [stderr]    Compiling symphonia-utils-xiph v0.5.4
[INFO] [stderr]    Compiling symphonia-format-riff v0.5.4
[INFO] [stderr]    Compiling symphonia-bundle-flac v0.5.4
[INFO] [stderr]    Compiling symphonia-codec-vorbis v0.5.4
[INFO] [stderr]    Compiling symphonia-format-ogg v0.5.4
[INFO] [stderr]    Compiling symphonia-format-mkv v0.5.4
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling symphonia v0.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling regex-bnf-macro v0.1.1
[INFO] [stderr]    Compiling lazy-regex-proc_macros v3.2.0
[INFO] [stderr]    Compiling regex-bnf v0.1.2
[INFO] [stderr]    Compiling lazy-regex v3.2.0
[INFO] [stderr]    Compiling realfft v3.3.0
[INFO] [stderr]    Compiling rubato v0.15.0
[INFO] [stderr]    Compiling xsynth-soundfonts v0.3.4
[INFO] [stderr]    Compiling xsynth-core v0.3.4
[INFO] [stderr]    Compiling xsynth-realtime v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.01s
[INFO] running `Command { std: "docker" "inspect" "3817641cd43a56a7f7b59fc4019115f19fcca4b1d056e5e1eb03fb31267ceb1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3817641cd43a56a7f7b59fc4019115f19fcca4b1d056e5e1eb03fb31267ceb1e", kill_on_drop: false }`
[INFO] [stdout] 3817641cd43a56a7f7b59fc4019115f19fcca4b1d056e5e1eb03fb31267ceb1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 447ebffafa93fdc0877310866a0a2318cf9cc87dc0a95b720a3f572e037cc8a3
[INFO] running `Command { std: "docker" "start" "-a" "447ebffafa93fdc0877310866a0a2318cf9cc87dc0a95b720a3f572e037cc8a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling midi-toolkit-rs-derive v0.1.0
[INFO] [stderr]    Compiling midi-toolkit-rs v0.1.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/midi-toolkit-rs-0.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(coroutines)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/midi-toolkit-rs-0.1.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(coroutine_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/midi-toolkit-rs-0.1.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/midi-toolkit-rs-0.1.0/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/midi-toolkit-rs-0.1.0/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(impl_trait_in_assoc_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `midi-toolkit-rs` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "447ebffafa93fdc0877310866a0a2318cf9cc87dc0a95b720a3f572e037cc8a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "447ebffafa93fdc0877310866a0a2318cf9cc87dc0a95b720a3f572e037cc8a3", kill_on_drop: false }`
[INFO] [stdout] 447ebffafa93fdc0877310866a0a2318cf9cc87dc0a95b720a3f572e037cc8a3